These are the bands featured at Wrockstock 2008.

Draco and the Malfoys
The Whomping Willows
The Remus Lupins
Catchlove
The Quaffle Kids
Tom Riddle and Friends
Justin Finch Fletchley & the Sugar Quills
The Moaning Myrtles
Ginny and the Heartbreakers
Hogwarts, A History
Gred and Forge
The Mudbloods
The Weasel King
The Butterbeer Experience
Roonil Wazlib